• Systems Administrator ( Senior )

    BAE Systems (Herndon, VA)
    …client computing software, hardware, and management solutions + Operating systems installation, configuration, and maintenance on Windows servers and ... Tomcat). + SCCM + Familiarity with configuration management tools + Automated system installation technologies + Automated backup systems + Virtual machine… more
    BAE Systems (06/03/25)
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  • Senior Linux System Administrator

    Leidos (Orlando, FL)
    …for high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems , workstations and servers. + Coordinates, directs and ... **Description** Are you an experienced ** Senior Linux System Administrator** looking for...performs complex software installations and upgrades to operating systems and layered software packages. Schedules… more
    Leidos (07/04/25)
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  • System Engineer (TS/SCI)- Senior

    Vexterra Group (Bethesda, MD)
    …+ Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position...Azure cloud services and the cloud ecosystem. + Experience operating and maintaining systems in a Linux… more
    Vexterra Group (07/15/25)
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  • Senior Systems Engineer

    SAIC (Macon, GA)
    …recover a fleet physical servers, virtual hosts, and virtual machines running a mix of operating systems (Linux and Windows Systems ). + Execute ... **Description** SAIC is actively seeking a ** Senior Systems Engineer** to support the...and delete user accounts as required. + Perform advanced systems administration on Windows Servers, Windows more
    SAIC (08/07/25)
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  • Senior Network Adminstrator

    BAE Systems (Mount Laurel, NJ)
    …stdout/stderr, understand systems services + Experience in enterprise level Windows Server operating environments, including Windows Active Directory, ... The IT network administrator will support BAE's classified lab environments that use Windows and Linux networked systems , with expertise in setting up and… more
    BAE Systems (07/30/25)
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  • Senior Systems Administrator

    Cognizant (San Jose, CA)
    …+ Operating Systems : Advanced proficiency in Linux (RHEL/Ubuntu) and Windows operating systems . + Networking Knowledge: + IPv4/IPv6 subnetting, DNS, ... transformation to own the business in a secure environment. ** Senior Systems Administrator - Global Lab Solutions...resolution. **Minimum Qualifications:** + Advanced knowledge of Linux and Windows operating systems . + Advanced… more
    Cognizant (08/08/25)
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  • Systems Administrator Senior

    General Dynamics Information Technology (Macdill AFB, FL)
    … ADMINISTRATOR SENIOR WILL MAKE AN IMPACT** + Troubleshoot issues within Windows Server 2019/2022 Operating Systems and Active Directory. + Perform ... 3+ years of related systems administration experience + Troubleshoot issues within Windows Server 2019/2022 Operating Systems and Active Directory. +… more
    General Dynamics Information Technology (07/19/25)
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  • High Performance Computing (HPC) System

    RTX Corporation (Tucson, AZ)
    …complexity to include the integration of High-Performance Computing hardware, software, and operating systems (OS). + Understanding of software tools, automated ... 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification) within 6 months of hire date.… more
    RTX Corporation (07/13/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …* Proficient with Windows and Linux/Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting experience * ... Senior your responsibilities will include: * Identifying/troubleshooting MPE system anomalies and issues * Lab configuration consisting of...* Lab configuration consisting of installation of Linux and Windows operating systems in a… more
    Lockheed Martin (07/26/25)
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  • Senior Systems Administrator Lead…

    VetsEZ (SC)
    VetsEZ is seeking a remote Senior Systems Administrator Lead to support a large-scale federal healthcare modernization program with the Department of Veterans ... role will provide both technical leadership and hands-on administration of complex Windows server environments operating across hybrid infrastructures within VA… more
    VetsEZ (07/27/25)
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